Weather Forecast for Arraial do Cabo

Rio de Janeiro, Brazil

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Partly cloudy

Current Weather - Arraial do Cabo: 27°C

Rio de Janeiro, Brazil

Partly cloudy

Feels like 30°C

Wind

15 km/h NE

Humidity

74%

Pressure

1014 mb

UV Index

9

Visibility

10 km

Sunny

Sunny

Tuesday, March 17, 2026

High

26°C

Low

22°C

Rain Chance

0%

Hourly Forecast

Sunny 26°C
14:00
Sunny 26°C
15:00
Sunny 25°C
16:00
Sunny 25°C
17:00
Sunny 24°C
18:00
Clear 24°C
19:00
Partly Cloudy 24°C
20:00
Partly Cloudy 24°C
21:00
Partly Cloudy 24°C
22:00
Partly Cloudy 24°C
23:00
Mar 18

Day Statistics

Maximum Wind

18 km/h

Humidity

80%

Precipitation

0 mm

UV Index

3

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:51 AM

Sunset

06:02 PM

Moonrise

04:17 AM

Moonset

05:10 PM

Moon Phase

Waning Crescent

Moon Illumination

5%

Air Quality

PM2.5

10.2

μg/m³

PM10

13.1

μg/m³

NO₂

3

μg/m³

O₃

72.6

μg/m³

SO₂

1.4

μg/m³

CO

85.6

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

751.72

Diffuse Radiation

146.35

DNI

677.11

GTI

610.93

When to visit Arraial do Cabo?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
27°C
💧
13 Days of rain
❄️
No snowfall

February

☀️
27°C
💧
9 Days of rain
❄️
No snowfall

March

☀️
27°C
💧
16 Days of rain
❄️
No snowfall
🔥 Hottest month
🌧 Wettest month,

April

☀️
26°C
💧
9 Days of rain
❄️
No snowfall

May

☀️
25°C
💧
9 Days of rain
❄️
No snowfall

June

☀️
24°C
💧
5 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
24°C
💧
6 Days of rain
❄️
No snowfall
Best time to visit

August

☀️
23°C
💧
5 Days of rain
❄️
No snowfall
Best time to visit
🥶 Coldest month
🌵 Driest month

September

☀️
23°C
💧
7 Days of rain
❄️
No snowfall

October

☀️
24°C
💧
8 Days of rain
❄️
No snowfall

November

☀️
25°C
💧
15 Days of rain
❄️
No snowfall

December

☀️
26°C
💧
14 Days of rain
❄️
No snowfall